solar system

noun

: the sun together with the group of celestial bodies that are held by its attraction and revolve around it
also : a similar system centered on another star

Examples of solar system in a Sentence

Recent Examples on the Web
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Because every molecule leaves behind a unique spectral fingerprint that telescopes can detect, astronomers can routinely identify substances across the solar system and beyond, ranging from simple water ice to complex molecules. Sharmila Kuthunur, Space.com, 20 July 2026 In the coming weeks, the mission team will also perform routine system checks and continue studying the outer reaches of the solar system. Paloma Chavez, PEOPLE, 18 July 2026 Also, the folding mechanism keeps the panels entirely free of snow and reduces the steep winter efficiency losses that typically plague conventional solar systems. Mrigakshi Dixit, Interesting Engineering, 17 July 2026 Researchers say this suggests that these rare types of meteorites may have shaped the organic inventory of the early solar system and brought the materials to Earth that later would support organic life. Julia Jacobo, ABC News, 17 July 2026 See All Example Sentences for solar system

Word History

First Known Use

circa 1704, in the meaning defined above

Time Traveler
The first known use of solar system was circa 1704

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Cite this Entry

“Solar system.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/solar%20system. Accessed 28 Jul. 2026.

Kids Definition

solar system

noun
: a star with the group of heavenly bodies that revolve around it
especially : the sun with the planets, moons, asteroids, and comets that orbit it

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